Hello Ezel! Have you heard of Designertips https://www.designer.tips/ ? It's a great website where you can find free and paid tools on any topic you want, with both resources and tips. It's a complete resource repository for designers and non-designers alike! You can always find tools, inspiration, resources and sample applications. There is even a product that offers them all together.
There are several popular tools used for prototyping and wireframing in UX/UI design.
1. Sketch
2. Adobe XD
3. Figma
4. InVision
5. Axure RP
6. Balsamiq
7. Marvel
8. Proto.io
9. SketchFlow (part of Microsoft Expression Blend)